Files
FireBee_SVN/vhdl/backend/Altera/Firebee/firebee.sdc
Markus Fröschle 132f136d3a relaxed timing and uncommented unneeded components in toplevel until timing issues are solved
added lots of set_false_path statements to sort out timing problems
2014-12-20 12:26:32 +00:00

115 lines
4.9 KiB
Tcl
Executable File

## Generated SDC file "firebee.sdc"
## Copyright (C) 1991-2013 Altera Corporation
## Your use of Altera Corporation's design tools, logic functions
## and other software and tools, and its AMPP partner logic
## functions, and any output files from any of the foregoing
## (including device programming or simulation files), and any
## associated documentation or information are expressly subject
## to the terms and conditions of the Altera Program License
## Subscription Agreement, Altera MegaCore Function License
## Agreement, or other applicable license agreement, including,
## without limitation, that your use is for the sole purpose of
## programming logic devices manufactured by Altera and sold by
## Altera or its authorized distributors. Please refer to the
## applicable agreement for further details.
## VENDOR "Altera"
## PROGRAM "Quartus II"
## VERSION "Version 13.0.1 Build 232 06/12/2013 Service Pack 1 SJ Web Edition"
## DATE "Fri Aug 8 11:08:03 2014"
##
## DEVICE "EP3C40F484C6"
##
#**************************************************************
# Time Information
#**************************************************************
set_time_format -unit ns -decimal_places 3
#**************************************************************
# Create Clock
#**************************************************************
create_clock -name {CLK_MAIN} -period 30.303 -waveform { 0.000 15.151 } [get_ports {CLK_MAIN}]
create_clock -name {CLK_33M} -period 30.303 -waveform { 0.000 15.151 } [get_ports {CLK_33M}]
#**************************************************************
# Create Generated Clock
#**************************************************************
derive_pll_clocks -create_base_clocks
#**************************************************************
# Set Clock Latency
#**************************************************************
derive_clock_uncertainty
#**************************************************************
# Set Clock Uncertainty
#**************************************************************
#**************************************************************
# Set Input Delay
#**************************************************************
#**************************************************************
# Set Output Delay
#**************************************************************
#**************************************************************
# Set Clock Groups
#**************************************************************
#**************************************************************
# Set False Path
#**************************************************************
set_false_path -from [get_clocks {I_PLL4|altpll_component|auto_generated|pll1|clk[0]}] -to [get_clocks {I_PLL3|altpll_component|auto_generated|pll1|clk[2]}]
set_false_path -from [get_clocks {CLK_33M}] -to [get_clocks {I_PLL3|altpll_component|auto_generated|pll1|clk[2]}]
set_false_path -from [get_clocks {CLK_33M}] -to [get_clocks {I_PLL4|altpll_component|auto_generated|pll1|clk[0]}]
set_false_path -from [get_clocks {I_PLL4|altpll_component|auto_generated|pll1|clk[0]}] -to [get_clocks {CLK_33M}]
set_false_path -from [get_clocks {I_PLL4|altpll_component|auto_generated|pll1|clk[0]}] -to [get_clocks {CLK_MAIN}]
# decouple video clock from rest of design
set_false_path -from [get_clocks] -to [get_clocks {I_PLL4|altpll_component|auto_generated|pll1|*}]
set_false_path -from [get_clocks {I_PLL4|altpll_component|auto_generated|pll1|*}] -to [get_clocks]
# decouple ST clocks from rest of design
set_false_path -from [get_clocks] -to [get_clocks {I_PLL3|altpll_component|auto_generated|pll1|*}]
set_false_path -from [get_clocks {I_PLL3|altpll_component|auto_generated|pll1|*}] -to [get_clocks]
# decouple CLK_MAIN and CLK_33M from DDR clocks
set_false_path -from [get_clocks {CLK_*}] -to [get_clocks {I_PLL3|altpll_component|auto_generated|pll1|clk[2]}]
set_false_path -from [get_clocks {I_PLL3|altpll_component|auto_generated|pll1|clk[2]}] -to [get_clocks {CLK_*}]
set_false_path -from [get_clocks {I_PLL2|altpll_component|auto_generated|pll1|clk[4]}] -to [get_clocks]
set_false_path -from [get_clocks] -to [get_clocks {I_PLL2|altpll_component|auto_generated|pll1|clk[4]}]
# decouple CLK_MAIN from CLK_33M
set_false_path -from [get_clocks {CLK_MAIN}] -to [get_clocks {CLK_33M}]
set_false_path -from [get_clocks {CLK_33M}] -to [get_clocks {CLK_MAIN}]
#**************************************************************
# Set Multicycle Path
#**************************************************************
#**************************************************************
# Set Maximum Delay
#**************************************************************
#**************************************************************
# Set Minimum Delay
#**************************************************************
#**************************************************************
# Set Input Transition
#**************************************************************